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What Can I Do When I Fail to Perform Failback After a Successful
Switchover in a DR Test?

What Can I Do When I Fail to Perform Failback After a Successful
Switchover in a DR Test?

Symptom

In a DR test of the NAS HyperMetro NAS recovery
plan, performing failback fails after a successful switchover, with
error information The status of HyperMetro pair does not
meet the recovery requirement displayed.

Possible Causes

When a file system used by the NAS HyperMetro
protected group exceeds 80%, the write policy turns to write through.
As a result, the NAS HyperMetro pair becomes faulty and its owning
HyperMetro vStore pair is in a non-Normal state. Failback cannot
be performed.

Procedure

Log in to DeviceManager on the local storage and peer storage.

Check whether an alarm exists indicating that the usage
of a file system used by the NAS HyperMetro protected group exceeds
80%.